Questions tagged [data-transfer]

Data transfer refers to the movement of data from one medium to another. This is commonly achieved via the dd Unix program.

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1answer
660 views

Rasberry Pi zero and 3 bluetooth transfer speed is slow RFCOMM

I am trying to send a series of bytes from the Raspberry Pi zero W to the Raspberry pi 3 via bluetooth. Im using the PyBluez python package. I believe that Raspberry Pi Zero has Bluetooth 4.1 and ...
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1answer
62 views

Why Raspberry Pi Zero W is missing to log data constantly every second?

I'm doing a project where I want to record IMU (Inertial Measurement Unit) readings. I want to use pretty high sampling frequency and I'm using Raspberry Pi Zero W to send PWM signal of 800Hz to ...
1
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1answer
346 views

Receive data on the raspberry with c# using mono

I want to send strings between the raspberry and a windows computer via serial and with c#. This works from the raspberry to the computer as shown below. In the picture you can see that I have sent a ...
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1answer
631 views

Raspberry Pi 3 + USB data modem as a Wi-Fi Router

I have a USB data modem (Huawei E3131) and a RaspberryPi 3B+. I would like to use the Pi as a Wi-Fi hotspot. Pi connects to the internet via USB data modem and creates hotpsot for other devices. So, I'...
1
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1answer
41 views

Stream data between load cell or HX711 to RPI

I built a scale with my RPI using a standard load cell and HX711, is there a way to stream the data from the load cell to the RPI either from the HX711 or from the load cell itself to the HX711? The ...
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2answers
55 views

Raspberry Pi 4, terrible performance at the USB3 port

I have installed my Raspi 4 freshly today (latest Raspberry Pi Os). The SD Card performance is kind of okay (~40 MB/s write). However the USB3 performance is terrible. I have plugged in a mobile ...
1
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1answer
184 views

SSH File Transfer Fails: No Route to Host

I have a Raspberry Pi 3 fully set up. I can access it via SSH and it is completely configured. When I copy files with FileZilla via SFTP everything is okay, but when I copy files with ES File ...
0
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1answer
274 views

How to send and receive data between RPi and PIC33E microcontroller via USB?.

This is my first project with PIC33E, and both the devices will be connected by USB only. Rpi will have a User Interface (written in Python) and which will enable the user to send and receive data. ...
2
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2answers
33 views

Importing raspi data from sd card to computer

My sd card with raspbian installed is not displaying the data stored on it, such as files in the home directory etc. Inserting it into a computer causes the RECOVERY drive to show up, which looks as ...
1
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1answer
2k views

Communication between Raspberry Pi and STM32

I am working on an ECG signal processing project to detect heart arrhythmia in real time and notify the doctor via SMS , initially I was using a raspberry pi 3 b+ for the processing an AD8232 ECG ...
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1answer
240 views

How to check for sd and transfer files automatically

I was wondering how I could check for an sd card on my pi and once one is found it automatically transfers files from it to a usb/sd/hard drive.
0
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1answer
37 views

how to transfer file to Windows 10 PC using SFTP command?

I'm trying the following command from the Pi to the PC (169.254.112.124): sftp pi@169.254.112.124:/C:/Users/Desktop/testtest.xml But I get this error: ssh: connect to host 169.254.112.124 port 22:...
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1answer
70 views

Share internet connection with mulitple Pi's

Let me first start by saying I am very new to this stuff, only about a week into looking at all the options out there. From what I have found Raspberry Pi will be what I need for a project and I know ...
3
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2answers
99 views

Hosting LAMP on SD-card in RPi now - would like to move whole database and website to External USB 3.0 SSD

.I am hosting this website on the RPi 4 - 4GB Ram model. I'm guessing the google PageSpeed insights ranking score is kinda ok right now (it ranges in the middel with a score of 56) - try and test it ...
1
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1answer
677 views

Sending data to and from raspberry pi 3 wirelessly using wifi / sim network data

I'm looking for advice regarding sending and receiving data between raspberri pi 3 and other devices assuming everything has internet connection. The data I'm looking to send doesn't have to be ...
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0answers
26 views

Send data from PC to RPi although theyre not in the same LAN

i'm planning a school project that should represent a two-factor authentication. I already made a user interface to type in information to log in like email address and password. My plan was to ...
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0answers
46 views

How to receive serial data with c# on a raspberry with mono [duplicate]

Hello I want to make a program for the computer and the raspberry, this program must ensure that the raspberry and the computer can communicate via serial. I have already found a code that does this, ...
1
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1answer
94 views

PedalPi, lag when piping in data

I am modifying a pedal pi (link here). I split the input program from the output program. For simplicity right now, that all it does. The standard out from my input program is being fed to the ...
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1answer
33 views

Bootable USB or Pendrive are not detected in Raspberry pi 3B+ for data transfer or format

I want to copy a file raspberry pi 3B+ to my Desktop machine. I had plugged the USB pen-drive in raspberry pi 3B+. But pen-drive is not recognized. Did I missed anything as in case of pi? Thanks in ...
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0answers
23 views

Data transfer to Cloud in case of unstable WiFi link

I am building a small IoT system using a Raspberry Pi. On one side a sensor on the other side the cloud for data storage. Between the Cloud and the pi there is a WiFi link. This link is not stable, it ...
3
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0answers
245 views

Connect with VNC to RPI 3B+ via Bluetooth

I want to do VNC via Bluetooth between my Raspberry pi 3b+ and an android phone. Some forums say that bluetooth technology is so slow to connect VNC via a DUN network, but I was doing some research ...
1
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1answer
157 views

How to connect a geophone to RaspberryPi?

I'm a seismic geophysicist and would like to attach a geophone - which is basically a transducer - to any type of RP. The types and costs of geophones are both variable and extensive (in some cases). ...
2
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2answers
3k views

NTFS with high CPU usage

I'm using a RPi B+ with XBian and transmission, and an external USB 2TB disk, which has an external power supply. That disk is NTFS, and I've noticed that the CPU usage of the mount-ntfs process is ...
1
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1answer
40 views

Share data between different

I'm building a floor heating control with raspberry pis. Until now I have two Pis working, one which controls the valves via relays and another which works as "central" with a webinterface to adjust ...
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4answers
17k views

Why do the USB ports and Ethernet port share the same controller?

It is my understanding that the USB ports on the Pi share the same controller as the Ethernet port. This means if one was to use the Pi as a NAS, data transfer over the network would be restricted, ...
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1answer
112 views

Slow Transfer Speeds When Multiple Raspberry Pi Zero Ws Connected Over WiFi

I'm working on a project that uses the pi camera module and 35 or more Raspberry Pi Zero Ws to take pictures and send them back to a central computer. Everything works fine with just 1 Pi connected, I ...
2
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1answer
161 views

How to setup pi to save files on PC directly via USB?

So my Pi has very little processing power. I need to use my PC for it. So how do i make a quick automatic transfer of files generated in a folder from Pi to PC (doing it over FTP might be a way but is ...
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0answers
205 views

Read data from a balance via RS232 port using rs232 to usb converter cable in rapsberry pi

I am a beginner to this, I have a balance (scale) that I need to read the data (weights of material) from. Data will be read every 10 seconds and I have looked up RS232 codes in here and utilised ...
3
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6answers
5k views

Transfer a file from Raspberry to Mac

I have a Raspberry Pi 3 with Jessie Lite (terminal only) and I have to transfer a file which is on my Raspberry to a Mac. How can I do it?
0
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1answer
338 views

Moving files from SD card to mounted USB drive using FTP client

What I'm trying to do is pretty simple: move a file from my SD card to a mounted USB drive, using filezilla as FTP client Here's what I get: Status: Renaming '/home/s0ubap/file.avi' to '/mnt/file....
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1answer
338 views

Clone raspberry sd from 32 to 16 GB

I have openelec on my Raspberry Pi board installed on a 32 GB microsd but it occupies way less space so I'd like to move the whole OS to a 16 GB microsd, I tried to clone using win32diskImager but I ...
0
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2answers
1k views

Uploading a file via SFTP from a raspberry pi to a remote server. From the command line

I need to upload files from a headless raspberry pi to a remote server. A simpfied example: The file to transfer /tmp/test.html Remote location: something.com Port 22 Username: user1 Password: ...
0
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2answers
2k views

Raspberry Pi with USB 3 (or 3.1) and enough power to use 2 drives

I bought a new camera which writes a lot of data onto SSDs, which I then would like to transfer onto HDDs. I thought about using a Raspberry Pi, but I was told it doesn't have enough power for a ssd ...
0
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1answer
50 views

Wiring on RPI3 when connecting two peripherals - microcontrollers simultaneously

I am currently having an ADC(MCP3008) connected to a rpi3, using the following wiring map, in order to read data from analog sensors. MCP3008 -> RPI3 VDD -> 3.3V VREF -> 3.3V ...
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1answer
94 views

Handle data while filming with rPI [closed]

We will buy the BMPCC4k (This means 500GB/hour on a ssd), as we are a low/no-budget production, we can't have someone handling data. I had the idea to use a rPI3+ to use for this. But I'm not sure if ...
2
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2answers
192 views

Using /mnt vs /media for Transmission storage on external hard drive

I was wondering if it makes a difference to mount an external hard drive at /mnt vs /media. I'm making a Transmission seedbox using an RPi 3b+, and different tutorials are suggesting different things....
7
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1answer
974 views

Raspberry Pi zero bluetooth max transfer speed

What is the maximum theoretical limit for bluetooth transfer rate from a raspberry pi zero W to Raspberry pi 3 using RFCOMM? They both have bluetooth 4.1, which, on wikipedia saids can reach speeds ...
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1answer
52 views

Read micro sd card on PI zero

I have been searching for hours for a way to connect my pi to a computer and read/write data to the micro sd card. Is there any way to do this, and if so how?
0
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1answer
102 views

RPi, php, python and string lengths

Are there limitations on the length of strings passed to php by python in a service? I had a php service running that retrieved data from a python script. Worked well. I decided to add data from ...
1
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1answer
685 views

cannot connect to pi via sftp filezilla on mac but ssh via terminal successful

I am fairly new to command line and rPi, all previous experience has been desktop & web apps and have fallen at a major hurdle with my new Pi. As the title suggests I am struggling to sftp into ...
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0answers
92 views

Data acquisition using DSO 2150 (Hantek, Virtins, etc.) in Raspberry Pi

I have Virtins 2815H which is a DSO based on DSO 2150, I would like to real time record a signal around 1 MHz using it and process it in Raspberry Pi. I have searched a lot about the data comm from ...
0
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2answers
798 views

Transfer files from Raspberry Pi Zero W to PC over USB

I would like to transfer files from Raspberry Pi Zero W to PC over USB interface. Is it possible? My idea is to first use Pi Zero standalone to run an application, which generates some files on the ...
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3answers
4k views

Connect RPi to PC with direct Ethernet? [closed]

I am trying to transfer files from a PC to a RPi but I can’t find a way. Please help. Explanation: the PC is actually a Windows device on which I can’t make any installation or configuration. This ...
1
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1answer
4k views

Can I transmit I2C over RF?

Is it possible to transmit and receive i2c data wirelessly (not via wifi or ssh) I want to use thumb stick joysticks to move motors wirelessly, at the moment I have two connected to the i2c ports ...
0
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1answer
2k views

Sending Rpi local data to an online Server (MySQL

I'm using a raspberry Pi zero w with temperature sensor, i don't have a continuous connection that's why i'm saving the temperature data on a local MySQL database using the following command <?...
0
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1answer
145 views

How can I receive sensor data from my raspberry pi when it is far away from any wifi?

Let's say I want to use a raspberry pi for a research project. The raspberry pi would be placed in a secure case(power has been taken care of and is not an issue). However, it will be in the middle of ...
0
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0answers
212 views

Send Data using Raspberry Pi's Serial Number

Actually I have many Raspberry PI 3 Model B and I am able to find Serial Number of my Raspberry PI using Python script. But I can't able to send data from Cloud to specific Raspberry PI using it's ...
0
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0answers
364 views

How to collect data from server to LibreOffice Calc

I have Mosquitto and Node-Red installed on my Pi 3. I want to be able to log the data into a spreadsheet of some sort. Is there a way to do this with Calc or a spreadsheet of some sort on the Pi? The ...
0
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1answer
225 views

limiting the file accessablities while using FTP

I am new to things like FTP and such. I have a data collection program on my Pi. I need this data to be extracted by a PC with in my network, but I do not want them accessing all the other folders. My ...
0
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1answer
434 views

How to stream data to device using adhoc connection?

I have a Raspberry Pi Zero W running Raspbian OS which is connected to a few sensors. I can broadcast the sensor data from the Pi to my Android tablet for display. I've written a UDP socket/client ...